/////////////////////////////////////////////////////////////////////////////
// Original code from libhdfs3. Copyright (c) 2013 - 2014, Pivotal Inc.
// All rights reserved. Author: Zhanwei Wang
/////////////////////////////////////////////////////////////////////////////
//  Modifications by Kumo Inc.
// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//



#include <kmhdfs/rpc/rpc_channel_key.h>
#include <vector>
#include <memory>

namespace Hdfs {
namespace Internal {

RpcChannelKey::RpcChannelKey(const RpcAuth & a, const RpcProtocolInfo & p,
                             const RpcServerInfo & s, const RpcConfig & c) :
    auth(a), conf(c), protocol(p), server(s) {
    const Token * temp = auth.getUser().selectToken(protocol.getTokenKind(),
                         server.getTokenService());

    if (temp) {
        token = std::shared_ptr<Token> (new Token(*temp));
    }
}

size_t RpcChannelKey::hash_value() const {
    size_t tokenHash = token ? token->hash_value() : 0;
    size_t values[] = { auth.hash_value(), protocol.hash_value(),
                        server.hash_value(), conf.hash_value(), tokenHash
                      };
    return CombineHasher(values, sizeof(values) / sizeof(values[0]));
}

}
}
